20783636

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{739}}^1$

素因数の和:911

約数の個数: 24

約数和(自身を含む): 37296000

約数和(自身を除く): 16512364

約数列:

[1, 2, 4, 79, 89, 158, 178, 316, 356, 739, 1478, 2956, 7031, 14062, 28124, 58381, 65771, 116762, 131542, 233524, 263084, 5195909, 10391818, 20783636]

約数ペア:

[(1, 20783636), (2, 10391818), (4, 5195909), (79, 263084), (89, 233524), (158, 131542), (178, 116762), (316, 65771), (356, 58381), (739, 28124), (1478, 14062), (2956, 7031)]